package com.my.cd.bridge;

/**
 * 抽象遥控板类：桥梁的另一端
 */
public abstract class AbstractControlPad {

    TVControl control;//持有电视控制器接口对象。这里是两端连接的桥梁

    public AbstractControlPad(TVControl control) {
        this.control = control;
    }

    public abstract void onoff();

    public abstract void nextChannel();

    public abstract void preChannel();

}
